NAME

RDF::Query::Plan::Filter - Executable query plan for Filters.

VERSION

This document describes RDF::Query::Plan::Filter version 2.909.

Beyond the methods documented below, this class inherits methods from the RDF::Query::Plan class.

new ( $plan, $expr, $active_graph )
execute ( $execution_context )
next
close
pattern: Returns the query plan that will be used to produce the data to be filtered.
active_graph: Returns the active graph.
distinct: Returns true if the pattern is guaranteed to return distinct results.
ordered: Returns true if the pattern is guaranteed to return ordered results.
plan_node_name: Returns the string name of this plan node, suitable for use in serialization.
plan_prototype: Returns a list of scalar identifiers for the type of the content (children) nodes of this plan node. See RDF::Query::Plan for a list of the allowable identifiers.
plan_node_data: Returns the data for this plan node that corresponds to the values described by the signature returned by plan_prototype.

 Gregory Todd Williams <gwilliams@cpan.org>